Secure Sensitive Data Sharing
crypt.fyi enables zero-knowledge end-to-end encrypted sensitive data sharing with automatic deletion
1. Encrypt
Your secret is encrypted in your browser before being stored
2. Share
Send the secure link to your intended recipient
3. Auto-Delete
Secret is permanently deleted after being viewed
Features
End-to-end Encryption
Secure your data with AES-256-GCM encryption before it leaves your browser
Enhanced Security
Strict Content Security Policy (CSP) and rate limits to mitigate XSS and brute-force attacks
Zero-knowledge
Our servers never see your unencrypted data - only you and your recipient have access
Burn After Reading
Automatically destroy secrets after they are accessed for maximum security
Burn After Failed Attempts
Automatically destroy secrets after a number of failed access attempts for enhanced security
Auto-Expiration
Set custom expiration times to ensure secrets don't persist longer than needed
Password Protection
Add an extra layer of security with optional password protection
File Sharing
Securely share files with simple drag and drop functionality
Webhooks
Get notified when your secrets are accessed, burned, or fail to be read
IP Restrictions
Control access by limiting which IP addresses or CIDR ranges can view your secrets
Read Limits
Set maximum view counts to restrict how many times a secret can be accessed
QR Codes
Generate QR codes for easy mobile sharing of your secret URLs
CLI Tool
Automate secret sharing with our command-line interface
Chrome Extension
Share secrets directly from your browser in-context with our Chrome extension
Docker Support
Deploy your own instance using our official Docker images